Stone.js API
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    rateLimitBlueprint: RateLimitBlueprint = ...

    Opt-in blueprint: register it to enable rate limiting.

    It contributes the provider that builds the limiters and the route middleware that enforces what a route declared. rateLimit is declared composable, so a budget on a group holds for every child on top of the child's own: a platform-wide ceiling and a per-route limit are two different promises, and both should be kept.